Abstract
In this article we chronologically survey the closure under complementation results for several logspace-bounded complexity classes, namely the early collapses of the logspace alternation and oracle hierarchies, and the closure under complementation for NL, LOGCFL, and SL. The presentation of the proofs follows a uniform approach based on exact counting.
Work was done while on vacation from Wilhelm-Schickard-Institut für Informatik, Universität Tübingen, during the academic year 1996–97 with DFG-Habilitandenstipendium Je 154 3/1.
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Jenner, B. (1997). Closure under complementation of logspace complexity classes - A survey -. In: Freksa, C., Jantzen, M., Valk, R. (eds) Foundations of Computer Science. Lecture Notes in Computer Science, vol 1337. Springer, Berlin, Heidelberg. https://doi.org/10.1007/BFb0052085
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DOI: https://doi.org/10.1007/BFb0052085
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